US6639895B1 - Fault tolerant network switch - Google Patents
Fault tolerant network switch Download PDFInfo
- Publication number
- US6639895B1 US6639895B1 US09/166,489 US16648998A US6639895B1 US 6639895 B1 US6639895 B1 US 6639895B1 US 16648998 A US16648998 A US 16648998A US 6639895 B1 US6639895 B1 US 6639895B1
- Authority
- US
- United States
- Prior art keywords
- network
- switch
- ports
- fault
- hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/55—Prevention, detection or correction of errors
- H04L49/557—Error correction, e.g. fault recovery or fault tolerance
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/54—Store-and-forward switching systems
- H04L12/56—Packet switching systems
- H04L12/5601—Transfer mode dependent, e.g. ATM
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
- H04L49/351—Switches specially adapted for specific applications for local area network [LAN], e.g. Ethernet switches
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/35—Switches specially adapted for specific applications
- H04L49/356—Switches specially adapted for specific applications for storage area networks
- H04L49/357—Fibre channel switches
Abstract
Description
Claims (36)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/166,489 US6639895B1 (en) | 1998-10-05 | 1998-10-05 | Fault tolerant network switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/166,489 US6639895B1 (en) | 1998-10-05 | 1998-10-05 | Fault tolerant network switch |
Publications (1)
Publication Number | Publication Date |
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US6639895B1 true US6639895B1 (en) | 2003-10-28 |
Family
ID=29249980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/166,489 Expired - Lifetime US6639895B1 (en) | 1998-10-05 | 1998-10-05 | Fault tolerant network switch |
Country Status (1)
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US (1) | US6639895B1 (en) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020035640A1 (en) * | 1999-10-12 | 2002-03-21 | Greenberg Albert Gordon | Recovery method for an optical network |
US20020143910A1 (en) * | 2001-03-29 | 2002-10-03 | Shih-Wei Chou | Network hub |
US20030002443A1 (en) * | 2001-05-24 | 2003-01-02 | International Business Machines Corporation | System and method for enhancing the availability of routing systems through equal cost multipath |
US20030061533A1 (en) * | 2001-09-24 | 2003-03-27 | Perloff Ronald S. | Multi-device link aggregation |
US20030149870A1 (en) * | 2002-02-04 | 2003-08-07 | Wookey Michael J. | Remote services wide area network connection anti-spoofing control |
US20030149889A1 (en) * | 2002-02-04 | 2003-08-07 | Wookey Michael J. | Automatic communication and security reconfiguration for remote services |
US20050058063A1 (en) * | 2003-09-15 | 2005-03-17 | Dell Products L.P. | Method and system supporting real-time fail-over of network switches |
US20050062734A1 (en) * | 2003-09-10 | 2005-03-24 | Seiko Epson Corporation | Display driver, electro-optical device, and control method for display driver |
US6914879B1 (en) * | 1999-10-15 | 2005-07-05 | Alcatel | Network element with redundant switching matrix |
US20050165955A1 (en) * | 2003-12-20 | 2005-07-28 | Duncan Wakelin | Method of using a storage switch and apparatus using and controlling same |
US20060013249A1 (en) * | 2001-05-14 | 2006-01-19 | Canon Kabushiki Kaisha | Interface device with network isolation |
US20060028978A1 (en) * | 2004-08-06 | 2006-02-09 | Logic Controls, Inc. | Method and apparatus for continuous operation of a point-of-sale system during a single point-of-failure |
US20090041040A1 (en) * | 2007-08-07 | 2009-02-12 | Honeywell International Inc. | Hybrid time triggered architecture for dual lane control systems |
US20090296723A1 (en) * | 2008-06-02 | 2009-12-03 | Chi-Tung Chang | Multi-computer switch with function of transmitting data between computers |
AT509700A1 (en) * | 2010-04-07 | 2011-10-15 | Fts Computertechnik Gmbh | METHOD AND APPARATUS FOR ERROR TOLERANT TIME-CONTROLLED REAL-TIME COMMUNICATION |
US20120113814A1 (en) * | 2009-07-14 | 2012-05-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method And Arrangement In A Telecommunication System |
US20150256487A1 (en) * | 2012-11-26 | 2015-09-10 | Huawei Technologies Co., Ltd. | Connection Apparatus and Connection Apparatus Management Method |
WO2017052303A1 (en) * | 2015-09-24 | 2017-03-30 | 삼성전자 주식회사 | Network hub management method and device in wireless communication system |
US20170147525A1 (en) * | 2015-11-20 | 2017-05-25 | International Business Machines Corporation | Determining cable connections in a multi-cable link |
Citations (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4228535A (en) | 1979-02-26 | 1980-10-14 | Rockwell International Corporation | Dual TDM switching apparatus |
US4485467A (en) | 1982-02-18 | 1984-11-27 | Teknekron Infoswitch Corporation | Digital information switch matrix with on-line/off-line diagnostic features |
US4679186A (en) | 1984-09-26 | 1987-07-07 | American Telephone And Telegraph Company, At&T Bell Laboratories | Alternate self-routing packet switching node having fault detection capabilities |
US4853927A (en) | 1986-12-10 | 1989-08-01 | U.S. Philips Corporation | Method and circuit arrangement for decentralized controlled transmission rerouting |
US4910733A (en) | 1988-03-15 | 1990-03-20 | Arun Sommani | Rendezvous network protocol with reduced bandwidth and processor time |
US5014261A (en) | 1986-01-07 | 1991-05-07 | Fujitsu Limited | System for switching from working units to stand-by units |
US5046067A (en) * | 1988-10-24 | 1991-09-03 | Reliance Comm/Tec Corporation | Digital transmission system |
US5198808A (en) | 1988-09-20 | 1993-03-30 | Nec Corporation | Matrix switch apparatus with a diagnosis circuit having stand-by ports and reduced size matrix switching elements |
US5239537A (en) | 1990-10-17 | 1993-08-24 | Nec Corporation | Packet-switched network having alternate virtual paths |
US5377180A (en) | 1991-12-23 | 1994-12-27 | U.S. Philips Corporation | Data switching device |
US5390163A (en) | 1992-09-09 | 1995-02-14 | Nec Corporation | Data exchange capable of minimizing loss of a data block |
US5398235A (en) | 1991-11-15 | 1995-03-14 | Mitsubishi Denki Kabushiki Kaisha | Cell exchanging apparatus |
US5408462A (en) * | 1993-10-07 | 1995-04-18 | Adc Telecommunications, Inc. | Protection switching apparatus and method |
US5629925A (en) | 1994-04-29 | 1997-05-13 | Alcatel Sel Aktiengesellschaft | Method of operating a switching network, as well as switching network and exchange therefor |
US5663949A (en) * | 1994-11-15 | 1997-09-02 | Fujitsu Limited | Line protection switching system in duplexed fiber interface shelf |
US5867499A (en) * | 1996-12-31 | 1999-02-02 | Northern Telecom Limited | ATM switch having location independent virtual-connection switches |
US5909427A (en) * | 1995-07-19 | 1999-06-01 | Fujitsu Network Communications, Inc. | Redundant switch system and method of operation |
USH1894H (en) * | 1997-09-26 | 2000-10-03 | Dsc/Celcore, Inc. | Flexible telecommunications system architecture |
US6292463B1 (en) * | 1998-07-06 | 2001-09-18 | Alcatel Canada Inc. | Method and apparatus for recovering from a signalling failure in a switched connection data transmission network |
US6385203B2 (en) * | 1996-03-29 | 2002-05-07 | Cisco Technology, Inc. | Communication server apparatus and method |
-
1998
- 1998-10-05 US US09/166,489 patent/US6639895B1/en not_active Expired - Lifetime
Patent Citations (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4228535A (en) | 1979-02-26 | 1980-10-14 | Rockwell International Corporation | Dual TDM switching apparatus |
US4485467A (en) | 1982-02-18 | 1984-11-27 | Teknekron Infoswitch Corporation | Digital information switch matrix with on-line/off-line diagnostic features |
US4679186A (en) | 1984-09-26 | 1987-07-07 | American Telephone And Telegraph Company, At&T Bell Laboratories | Alternate self-routing packet switching node having fault detection capabilities |
US5014261A (en) | 1986-01-07 | 1991-05-07 | Fujitsu Limited | System for switching from working units to stand-by units |
US4853927A (en) | 1986-12-10 | 1989-08-01 | U.S. Philips Corporation | Method and circuit arrangement for decentralized controlled transmission rerouting |
US4910733A (en) | 1988-03-15 | 1990-03-20 | Arun Sommani | Rendezvous network protocol with reduced bandwidth and processor time |
US5198808A (en) | 1988-09-20 | 1993-03-30 | Nec Corporation | Matrix switch apparatus with a diagnosis circuit having stand-by ports and reduced size matrix switching elements |
US5046067A (en) * | 1988-10-24 | 1991-09-03 | Reliance Comm/Tec Corporation | Digital transmission system |
US5239537A (en) | 1990-10-17 | 1993-08-24 | Nec Corporation | Packet-switched network having alternate virtual paths |
US5398235A (en) | 1991-11-15 | 1995-03-14 | Mitsubishi Denki Kabushiki Kaisha | Cell exchanging apparatus |
US5377180A (en) | 1991-12-23 | 1994-12-27 | U.S. Philips Corporation | Data switching device |
US5390163A (en) | 1992-09-09 | 1995-02-14 | Nec Corporation | Data exchange capable of minimizing loss of a data block |
US5408462A (en) * | 1993-10-07 | 1995-04-18 | Adc Telecommunications, Inc. | Protection switching apparatus and method |
US5629925A (en) | 1994-04-29 | 1997-05-13 | Alcatel Sel Aktiengesellschaft | Method of operating a switching network, as well as switching network and exchange therefor |
US5663949A (en) * | 1994-11-15 | 1997-09-02 | Fujitsu Limited | Line protection switching system in duplexed fiber interface shelf |
US5909427A (en) * | 1995-07-19 | 1999-06-01 | Fujitsu Network Communications, Inc. | Redundant switch system and method of operation |
US6385203B2 (en) * | 1996-03-29 | 2002-05-07 | Cisco Technology, Inc. | Communication server apparatus and method |
US5867499A (en) * | 1996-12-31 | 1999-02-02 | Northern Telecom Limited | ATM switch having location independent virtual-connection switches |
USH1894H (en) * | 1997-09-26 | 2000-10-03 | Dsc/Celcore, Inc. | Flexible telecommunications system architecture |
US6292463B1 (en) * | 1998-07-06 | 2001-09-18 | Alcatel Canada Inc. | Method and apparatus for recovering from a signalling failure in a switched connection data transmission network |
Cited By (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8139478B1 (en) | 1999-10-12 | 2012-03-20 | At&T Intellectual Property Ii, L.P. | Recovery method for an optical network |
US6970451B1 (en) | 1999-10-12 | 2005-11-29 | At&T Corp. | Smart routers-simple optics: network architecture for IP over WDM |
US20020035640A1 (en) * | 1999-10-12 | 2002-03-21 | Greenberg Albert Gordon | Recovery method for an optical network |
US6914879B1 (en) * | 1999-10-15 | 2005-07-05 | Alcatel | Network element with redundant switching matrix |
US20020143910A1 (en) * | 2001-03-29 | 2002-10-03 | Shih-Wei Chou | Network hub |
US7626992B2 (en) * | 2001-05-14 | 2009-12-01 | Canon Kabushiki Kaisha | Interface device with network isolation |
US20060013249A1 (en) * | 2001-05-14 | 2006-01-19 | Canon Kabushiki Kaisha | Interface device with network isolation |
US20030002443A1 (en) * | 2001-05-24 | 2003-01-02 | International Business Machines Corporation | System and method for enhancing the availability of routing systems through equal cost multipath |
US6987735B2 (en) * | 2001-05-24 | 2006-01-17 | International Business Machines Corporation | System and method for enhancing the availability of routing systems through equal cost multipath |
US6910149B2 (en) * | 2001-09-24 | 2005-06-21 | Intel Corporation | Multi-device link aggregation |
US20030061533A1 (en) * | 2001-09-24 | 2003-03-27 | Perloff Ronald S. | Multi-device link aggregation |
US20030149870A1 (en) * | 2002-02-04 | 2003-08-07 | Wookey Michael J. | Remote services wide area network connection anti-spoofing control |
US20030149889A1 (en) * | 2002-02-04 | 2003-08-07 | Wookey Michael J. | Automatic communication and security reconfiguration for remote services |
US20050062734A1 (en) * | 2003-09-10 | 2005-03-24 | Seiko Epson Corporation | Display driver, electro-optical device, and control method for display driver |
US20050058063A1 (en) * | 2003-09-15 | 2005-03-17 | Dell Products L.P. | Method and system supporting real-time fail-over of network switches |
US20050165955A1 (en) * | 2003-12-20 | 2005-07-28 | Duncan Wakelin | Method of using a storage switch and apparatus using and controlling same |
US20060028978A1 (en) * | 2004-08-06 | 2006-02-09 | Logic Controls, Inc. | Method and apparatus for continuous operation of a point-of-sale system during a single point-of-failure |
US7724642B2 (en) | 2004-08-06 | 2010-05-25 | Logic Controls, Inc. | Method and apparatus for continuous operation of a point-of-sale system during a single point-of-failure |
US20090041040A1 (en) * | 2007-08-07 | 2009-02-12 | Honeywell International Inc. | Hybrid time triggered architecture for dual lane control systems |
US8031621B2 (en) * | 2007-08-07 | 2011-10-04 | Honeywell International Inc. | Hybrid time triggered architecture for dual lane control systems |
US20090296723A1 (en) * | 2008-06-02 | 2009-12-03 | Chi-Tung Chang | Multi-computer switch with function of transmitting data between computers |
US8942137B2 (en) * | 2009-07-14 | 2015-01-27 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement in a telecommunication system |
US20120113814A1 (en) * | 2009-07-14 | 2012-05-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method And Arrangement In A Telecommunication System |
AT509700A1 (en) * | 2010-04-07 | 2011-10-15 | Fts Computertechnik Gmbh | METHOD AND APPARATUS FOR ERROR TOLERANT TIME-CONTROLLED REAL-TIME COMMUNICATION |
AT509700B1 (en) * | 2010-04-07 | 2019-05-15 | Tttech Computertechnik Ag | METHOD AND APPARATUS FOR ERROR TOLERANT TIME-CONTROLLED REAL-TIME COMMUNICATION |
US20150256487A1 (en) * | 2012-11-26 | 2015-09-10 | Huawei Technologies Co., Ltd. | Connection Apparatus and Connection Apparatus Management Method |
EP2916504A4 (en) * | 2012-11-26 | 2016-01-13 | Huawei Tech Co Ltd | Connection device and method for managing same |
US10129183B2 (en) * | 2012-11-26 | 2018-11-13 | Huawei Technologies Co., Ltd | Connection apparatus and connection apparatus management method |
WO2017052303A1 (en) * | 2015-09-24 | 2017-03-30 | 삼성전자 주식회사 | Network hub management method and device in wireless communication system |
US10582548B2 (en) | 2015-09-24 | 2020-03-03 | Samsung Electronics Co., Ltd | Network hub management method and device in wireless communication system |
US20170147525A1 (en) * | 2015-11-20 | 2017-05-25 | International Business Machines Corporation | Determining cable connections in a multi-cable link |
US9720871B2 (en) * | 2015-11-20 | 2017-08-01 | International Business Machines Corporation | Determining cable connections in a multi-cable link |
US10073751B2 (en) | 2015-11-20 | 2018-09-11 | International Business Machines Corporation | Determining cable connections in a multi-cable link |
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